16226597 has 2 divisors, whose sum is σ = 16226598. Its totient is φ = 16226596.

The previous prime is 16226563. The next prime is 16226599. The reversal of 16226597 is 79562261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 4605316 = 3409^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 16226597 - 2²⁰ = 15178021 is a prime.

Together with 16226599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16226597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16226599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113298 + 8113299.

It is an arithmetic number, because the mean of its divisors is an integer number (8113299).

Almost surely, 2^16226597 is an apocalyptic number.

It is an amenable number.

16226597 is a deficient number, since it is larger than the sum of its proper divisors (1).

16226597 is an equidigital number, since it uses as much as digits as its factorization.

16226597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 16226597 is about 4028.2250433659. The cubic root of 16226597 is about 253.1681978198.

The spelling of 16226597 in words is "sixteen million, two hundred twenty-six thousand, five hundred ninety-seven".